Almost the entire state of California is visible in this MODIS true-color image acquired March 18, 2002. Most of California's Sierra Nevada Mountains are still covered in snow, as are of the mountains of Nevada, Oregon, and Utah. The four lakes visible in the middle of the image are (clockwise from leftmost) Lake Tahoe, Pyramid Lake, Walker Lake, and Mono Lake. Sensor: Terra/MODIS. Data Start Date: 3/18/02. Data End Date: 3/18/02.